Lines Matching defs:coeff
1754 float coeff = 1;
1764 coeff = 0.9f;
1882 target_value = calib_sensor->gain_white_ref * coeff;
1894 target_value = calib_sensor->gain_white_ref * coeff;
2725 * @param coeff factor giving 1.00 gain
2730 compute_coefficient (unsigned int coeff, unsigned int target, unsigned int value)
2736 result = (coeff * target) / value;
2744 result = coeff;
2755 * o=(i-off)*(gain/coeff)
2759 * gain=coeff*bright_target/(bright_average-dark_average)
2763 * bright_target=(bright_average-off)*(gain/coeff)
2764 * dark_target=(dark_average-off)*(gain/coeff)
2767 * gain = (bright_target - dark_target)/(bright_average - dark_average)*coeff
2775 * @param coeff 4000h or 2000h depending on fast scan mode or not (GAIN4 bit)
2785 unsigned int coeff,
2810 o=(i-off)*(gain/coeff)
2814 gain=coeff*bright_target/(bright_average-dark_average)
2818 bright_target=(bright_average-off)*(gain/coeff)
2819 dark_target=(dark_average-off)*(gain/coeff)
2822 gain = (bright_target - dark_target)/(bright_average - dark_average)*coeff
2905 if (65535 * val > (target_bright - target_dark) * coeff)
2907 val = (coeff * (target_bright - target_dark)) / val;
2956 * @param coeff 4000h or 2000h depending on fast scan mode or not
2965 unsigned int coeff,
2972 DBG(DBG_io, "%s: pixels_per_line=%d, coeff=0x%04x\n", __func__, pixels_per_line, coeff);
3002 /* compute coeff */
3003 val=compute_coefficient(coeff,target,br-dk);
3028 * @param coeff 4000h or 2000h depending on fast scan mode or not
3039 unsigned int coeff,
3047 DBG(DBG_io, "%s: factor=%d, pixels_per_line=%d, words=0x%X, coeff=0x%04x\n", __func__, factor,
3048 pixels_per_line, words_per_color, coeff);
3052 /* x2 because of 16 bit values, and x2 since one coeff for dark
3069 val = compute_coefficient (coeff, target, br - dk);
3100 unsigned int coeff,
3133 DBG(DBG_info, "%s: pixels_per_line=%d, coeff=0x%04x, averaging over %d pixels\n", __func__,
3134 pixels_per_line, coeff, avgpixels);
3158 if (65535 * val2 > (target_bright - target_dark) * coeff)
3159 val2 = (coeff * (target_bright - target_dark)) / val2;
3197 unsigned int coeff, target_code, words_per_color = 0;
3264 coeff = 0x4000;
3266 coeff = 0x2000;
3302 coeff,
3316 coeff,
3331 coeff,
3347 coeff,
3374 coeff,
3398 coeff,
3435 coeff,
3447 coeff,
3458 coeff,
3469 coeff,